// ==++==
// 
//   
//    Copyright (c) 2006 Microsoft Corporation.  All rights reserved.
//   
//    The use and distribution terms for this software are contained in the file
//    named license.txt, which can be found in the root of this distribution.
//    By using this software in any fashion, you are agreeing to be bound by the
//    terms of this license.
//   
//    You must not remove this notice, or any other, from this software.
//   
// 
// ==--==
/*============================================================
**
** Interface:  IKeyComparer
**
**
** Purpose: A mechanism to expose a simplified infrastructure for 
**          Comparing objects in collections.
**
** 
===========================================================*/
namespace System.Collections {
    
    using System;
    // An IEqualityComparer is a mechanism to consume custom performant comparison infrastructure
    // that can be consumed by some of the common collections.
    [System.Runtime.InteropServices.ComVisible(true)]
    public interface IEqualityComparer {
        bool Equals(Object x, Object y);
        int GetHashCode(Object obj);        
    }
}
